| package org.apache.helix.integration; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import org.apache.helix.HelixAdmin; |
| import org.apache.helix.HelixDataAccessor; |
| import org.apache.helix.PropertyKey; |
| import org.apache.helix.TestHelper; |
| import org.apache.helix.controller.rebalancer.AutoRebalancer; |
| import org.apache.helix.controller.rebalancer.DelayedAutoRebalancer; |
| import org.apache.helix.integration.common.ZkStandAloneCMTestBase; |
| import org.apache.helix.integration.manager.ClusterControllerManager; |
| import org.apache.helix.integration.manager.MockParticipantManager; |
| import org.apache.helix.manager.zk.ZKHelixAdmin; |
| import org.apache.helix.model.ExternalView; |
| import org.apache.helix.model.IdealState; |
| import org.apache.helix.model.IdealState.RebalanceMode; |
| import org.apache.helix.tools.ClusterSetup; |
| import org.apache.helix.tools.ClusterStateVerifier; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.Assert; |
| import org.testng.annotations.DataProvider; |
| import org.testng.annotations.Test; |
| |
| public class TestDisablePartition extends ZkStandAloneCMTestBase { |
| private static Logger LOG = LoggerFactory.getLogger(TestDisablePartition.class); |
| |
| @Test() |
| public void testDisablePartition() throws Exception { |
| LOG.info("START testDisablePartition() at " + new Date(System.currentTimeMillis())); |
| |
| // localhost_12919 is MASTER for TestDB_0 |
| String command = "--zkSvr " + ZK_ADDR + " --enablePartition false " + CLUSTER_NAME |
| + " localhost_12919 TestDB TestDB_0 TestDB_9"; |
| ClusterSetup.processCommandLineArgs(command.split("\\s+")); |
| Map<String, Set<String>> map = new HashMap<>(); |
| map.put("TestDB_0", TestHelper.setOf("localhost_12919")); |
| map.put("TestDB_9", TestHelper.setOf("localhost_12919")); |
| |
| boolean result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, CLUSTER_NAME)); |
| Assert.assertTrue(result); |
| |
| TestHelper.verifyState(CLUSTER_NAME, ZK_ADDR, map, "OFFLINE"); |
| |
| ZKHelixAdmin tool = new ZKHelixAdmin(_gZkClient); |
| tool.enablePartition(true, CLUSTER_NAME, "localhost_12919", "TestDB", |
| Collections.singletonList("TestDB_9")); |
| |
| result = ClusterStateVerifier.verifyByPolling( |
| new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, CLUSTER_NAME)); |
| Assert.assertTrue(result); |
| |
| map.clear(); |
| map.put("TestDB_0", TestHelper.setOf("localhost_12919")); |
| TestHelper.verifyState(CLUSTER_NAME, ZK_ADDR, map, "OFFLINE"); |
| |
| map.clear(); |
| map.put("TestDB_9", TestHelper.setOf("localhost_12919")); |
| TestHelper.verifyState(CLUSTER_NAME, ZK_ADDR, map, "MASTER"); |
| |
| LOG.info("STOP testDisablePartition() at " + new Date(System.currentTimeMillis())); |
| |
| } |
| |
| @DataProvider(name = "rebalancer") |
| public static String[][] rebalancers() { |
| return new String[][] { |
| { |
| AutoRebalancer.class.getName() |
| }, { |
| DelayedAutoRebalancer.class.getName() |
| } |
| }; |
| } |
| |
| @Test(dataProvider = "rebalancer", enabled = true) |
| public void testDisableFullAuto(String rebalancerName) throws Exception { |
| final int NUM_PARTITIONS = 8; |
| final int NUM_PARTICIPANTS = 2; |
| final int NUM_REPLICAS = 1; |
| String className = TestHelper.getTestClassName(); |
| String methodName = TestHelper.getTestMethodName(); |
| String clusterName = className + "_" + methodName; |
| |
| ClusterSetup clusterSetup = new ClusterSetup(ZK_ADDR); |
| clusterSetup.addCluster(clusterName, true); |
| |
| for (int i = 0; i < NUM_PARTICIPANTS; i++) { |
| String instanceName = "localhost_" + (11420 + i); |
| clusterSetup.addInstanceToCluster(clusterName, instanceName); |
| } |
| |
| // Create a known problematic scenario |
| HelixAdmin admin = clusterSetup.getClusterManagementTool(); |
| String resourceName = "MailboxDB"; |
| IdealState idealState = new IdealState(resourceName + "DR"); |
| idealState.setRebalanceMode(RebalanceMode.SEMI_AUTO); |
| idealState.setStateModelDefRef("LeaderStandby"); |
| idealState.setReplicas(String.valueOf(NUM_REPLICAS)); |
| idealState.setNumPartitions(NUM_PARTITIONS); |
| for (int i = 0; i < NUM_PARTITIONS; i++) { |
| String partitionName = resourceName + '_' + i; |
| List<String> assignmentList = Lists.newArrayList(); |
| if (i < NUM_PARTITIONS / 2) { |
| assignmentList.add("localhost_11420"); |
| } else { |
| assignmentList.add("localhost_11421"); |
| } |
| Map<String, String> emptyMap = Maps.newHashMap(); |
| idealState.getRecord().setListField(partitionName, assignmentList); |
| idealState.getRecord().setMapField(partitionName, emptyMap); |
| } |
| admin.addResource(clusterName, idealState.getResourceName(), idealState); |
| |
| // Start everything |
| MockParticipantManager[] participants = new MockParticipantManager[NUM_PARTICIPANTS]; |
| for (int i = 0; i < NUM_PARTICIPANTS; i++) { |
| String instanceName = "localhost_" + (11420 + i); |
| participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName); |
| participants[i].syncStart(); |
| } |
| ClusterControllerManager controller = |
| new ClusterControllerManager(ZK_ADDR, clusterName, "controller_1"); |
| controller.syncStart(); |
| |
| Thread.sleep(1000); |
| |
| // Switch to full auto |
| idealState.setRebalanceMode(RebalanceMode.FULL_AUTO); |
| idealState.setRebalancerClassName(rebalancerName); |
| for (int i = 0; i < NUM_PARTITIONS; i++) { |
| List<String> emptyList = Collections.emptyList(); |
| idealState.getRecord().setListField(resourceName + '_' + i, emptyList); |
| } |
| admin.setResourceIdealState(clusterName, idealState.getResourceName(), idealState); |
| |
| Thread.sleep(1000); |
| |
| // Get the external view |
| HelixDataAccessor accessor = controller.getHelixDataAccessor(); |
| PropertyKey.Builder keyBuilder = accessor.keyBuilder(); |
| ExternalView externalView = |
| accessor.getProperty(keyBuilder.externalView(idealState.getResourceName())); |
| |
| // Disable the partitions in an order known to cause problems |
| int[] pid = { |
| 0, 7 |
| }; |
| for (int value : pid) { |
| String partitionName = resourceName + '_' + value; |
| Map<String, String> stateMap = externalView.getStateMap(partitionName); |
| String leader = null; |
| for (String participantName : stateMap.keySet()) { |
| String state = stateMap.get(participantName); |
| if (state.equals("LEADER")) { |
| leader = participantName; |
| } |
| } |
| List<String> partitionNames = Lists.newArrayList(partitionName); |
| admin.enablePartition(false, clusterName, leader, idealState.getResourceName(), partitionNames); |
| |
| Thread.sleep(1000); |
| } |
| |
| // Ensure that nothing was reassigned and the disabled are offline |
| externalView = accessor.getProperty(keyBuilder.externalView(idealState.getResourceName())); |
| Map<String, String> p0StateMap = externalView.getStateMap(resourceName + "_0"); |
| Assert.assertEquals(p0StateMap.size(), 1); |
| String p0Participant = p0StateMap.keySet().iterator().next(); |
| Assert.assertEquals(p0StateMap.get(p0Participant), "OFFLINE"); |
| Map<String, String> p7StateMap = externalView.getStateMap(resourceName + "_7"); |
| Assert.assertEquals(p7StateMap.size(), 1); |
| String p7Participant = p7StateMap.keySet().iterator().next(); |
| Assert.assertEquals(p7StateMap.get(p7Participant), "OFFLINE"); |
| |
| // Cleanup |
| controller.syncStop(); |
| for (MockParticipantManager participant : participants) { |
| participant.syncStop(); |
| } |
| |
| deleteCluster(clusterName); |
| } |
| } |